s4-python Ensure we add the Samba python path first.

This exact form of the construction is important, and we match on it
in the installation scripts.

Andrew Bartlett

source4/dsdb/tests/python/ldap_schema.py

@@ -8,7 +8,7 @@ import time
 import random
 import os
 
-sys.path.append("bin/python")
+sys.path.insert(0, "bin/python")
 import samba
 samba.ensure_external_module("testtools", "testtools")
 samba.ensure_external_module("subunit", "subunit/python")